Home / 112,216.49-154,847.99-61,912.25

Finding the Fourth Proportional to 112,216.49, 154,847.99 and 61,912.25

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Solution

The fourth proportional to 112,216.49, 154,847.99 and 61,912.25 is: 85,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,216.49 : 154,847.99 = 61,912.25 : x
  2. Step 2: Convert to fraction form
    112,216.49/154,847.99 = 61,912.25/x
  3. Step 3: Cross multiply
    112,216.49x = 154,847.99 × 61,912.25
  4. Step 4: Simplify right side
    112,216.49x = 9,586,986,694.64
  5. Step 5: Solve for x
    x = 9,586,986,694.64/112,216.49
  6. Step 6: Final answer
    x = 85,432.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.